﻿using System;
using System.Collections.Generic;

class Solution
{
    public static void Main(string[] args)
    {
        double height = 100;
        double totalDistance = 0; 
        int round = 10; 

        for (int i = 0; i < round; i++)
        {
            double currentHeight = height / 2; 
            totalDistance += 2 * currentHeight;
            height = currentHeight; 
        }

        Console.WriteLine("第10次落地时，共经过{0}米。", totalDistance + 100);
        Console.WriteLine("第10次反弹的高度为{0}米。", height);

    }
}
